Applicability of Paths Derived in Regional Planning Models to Traffic Micro-Simulation Paul Ricotta, P.E., Caliper Corporation Jon Fricker, PhD, Purdue.

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Presentation transcript:

Applicability of Paths Derived in Regional Planning Models to Traffic Micro-Simulation Paul Ricotta, P.E., Caliper Corporation Jon Fricker, PhD, Purdue University Kent Anderson, CAMPO (Columbus, IN) Daniel Morgan, Caliper Corporation

Case & Approach 1.Generate simulation network from planning network 2.Add network detail, signals, and signal timings 3.Run planning model 4.Run 2-hour AM simulation (with trip table from step 3) 5.Generate, map, and tabulate congestion MOEs from planning model (step 3) 6.Generate, map, and tabulate congestion MOEs from simulation model (step 4) 7.Compare and contrast (between steps 5 & 6)

Case Overview – Geographic Scale 1 county (Bartholomew) and parts of two others (Johnson & Shelby) 8800 links, 6700 nodes, 85 TAZs 3,000 lane-miles 108 signalized intersections 22 miles E-W x 28 miles N-S Freeways, arterials, local streets, commercial, residential

Special Considerations – Centroid Connectors

Special Considerations – Paths (1)

Special Considerations – Paths (2)

Results Comparison – O-D Travel Time O-DTravel Time (TDM)Travel Time (Sim.) (I-65 NB) Length = 29.4 mi. Free Flow Time = 25.3 min (I-65 SB) Length = 29.4 mi. Free Flow Time = 25.2 min (SR46 EB) Length = 4.1 mi. Free Flow Time = 6.4 min (Central Ave SB) Length = 5.4 mi. Free Flow Time = 9.2 min

Results Comparison – Volume/Capacity Ratio LocationV/CVol. (veh) Time (min) Density (vpmpl) Flow (vph) Time (min) SR46/2 nd Street (5.6 mph) (41.3 mph) Indianapolis Rd (18.2 mph) (48.6 mph) Central Ave (31 mph) (2.2 mph)